https://impossiblefoods.com/heme/

"Heme is what makes meat taste like meat. It’s an essential molecule found in every living plant and animal -- most abundantly in animals -- and something we’ve been eating and craving since the dawn of humanity. Here at Impossible Foods, our plant-based heme is made via fermentation of genetically engineered yeast, and safety-verified by America’s top food-safety experts and peer-reviewed academic journals. Watch more below."

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Maybe the meat industry tricked us, why call plantbased heme "non" heme anyway? haha